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2024 Journal Article Genome-wide association studies for citric and lactic acids in dairy sheep milk in a New Zealand flockZongqi, An, Marshall, Ana C., Jayawardana, J. M. D. R., Weeks, Mike, Loveday, Simon M., Mcnabb, Warren and Lopez-Villalobos, Nicolas (2024). Genome-wide association studies for citric and lactic acids in dairy sheep milk in a New Zealand flock. Animal Biotechnology, 35 (1) 2379897, 1-12. doi: 10.1080/10495398.2024.2379897 |
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2023 Conference Publication A new fertility trait for seasonal calving dairy systemsJayawardana, J. M. D. R, Lopez-Villalobos, N, Macmillan, K. L, Hickson, R. E and McNaughton, L. R (2023). A new fertility trait for seasonal calving dairy systems. New Zealand Society of Animal Production conference 2023, Rotorua, New Zealand, 14-16 November 2023. |
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2023 Conference Publication Milk production and fertility of spring-calved Holstein-Friesian, Jersey and crossbred cows milked once daily or twice daily in New ZealandJayawardana, J. M. D. R, Lopez-Villalobos, N, Hickson, R. E and McNaughton, L. R (2023). Milk production and fertility of spring-calved Holstein-Friesian, Jersey and crossbred cows milked once daily or twice daily in New Zealand. 25th AAABG conference 2023, Perth, WA Australia, 10-13 July 2023. |
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2023 Journal Article A review of once-a-day milking in dairy cow grazing systemsLopez-Villalobos, N., Jayawardana, J.M.D.R., McNaughton, L.R. and Hickson, R.E. (2023). A review of once-a-day milking in dairy cow grazing systems. JDS Communications, 4 (4), 329-333. doi: 10.3168/jdsc.2022-0293 |
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2023 Journal Article Genomic regions associated with milk composition and fertility traits in spring-calved dairy cows in New ZealandJayawardana, J. M. D. R., Lopez-Villalobos, Nicolas, McNaughton, Lorna R. and Hickson, Rebecca E. (2023). Genomic regions associated with milk composition and fertility traits in spring-calved dairy cows in New Zealand. Genes, 14 (4) 860, 860. doi: 10.3390/genes14040860 |
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2023 Journal Article Genome-wide association studies of live weight at first breeding at eight months of age and pregnancy status of ewe lambsHaslin, Emmanuelle, Pettigrew, Emma J., Hickson, Rebecca E., Kenyon, Paul R., Gedye, Kristene R., Lopez-Villalobos, Nicolas, Jayawardana, J. M. D. R., Morris, Stephen T. and Blair, Hugh T. (2023). Genome-wide association studies of live weight at first breeding at eight months of age and pregnancy status of ewe lambs. Genes, 14 (4) 805, 805. doi: 10.3390/genes14040805 |
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2023 Journal Article Heritabilities and genetic and phenotypic correlations for milk production and fertility traits of spring-calved once-daily or twice-daily milking cows in New ZealandJayawardana, J.M.D.R., Lopez-Villalobos, N., McNaughton, L.R. and Hickson, R.E. (2023). Heritabilities and genetic and phenotypic correlations for milk production and fertility traits of spring-calved once-daily or twice-daily milking cows in New Zealand. Journal of Dairy Science, 106 (3), 1910-1924. doi: 10.3168/jds.2022-22431 |
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2023 Journal Article Estimation of genetic parameters and individual and maternal breed, heterosis, and recombination loss effects for production and fertility traits of spring-calved cows milked once daily or twice daily in New ZealandJayawardana, J.M.D.R., Lopez-Villalobos, N., Hickson, R.E. and McNaughton, L.R. (2023). Estimation of genetic parameters and individual and maternal breed, heterosis, and recombination loss effects for production and fertility traits of spring-calved cows milked once daily or twice daily in New Zealand. Journal of Dairy Science, 106 (1), 364-380. doi: 10.3168/jds.2022-22053 |
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2022 Journal Article Factors affecting the changes in meat and meat product consumption of high school students: A logistic regression analysisJayawardana, J. M. D. R., Nadeeshani, R. H. W., Bandara, K. M. N. T. K. Bandara, Jayasena, D. D. and Dematawewa, C. M. B. (2022). Factors affecting the changes in meat and meat product consumption of high school students: A logistic regression analysis. Journal of Agriculture and Value Addition, 5 (2), 16-29. doi: 10.4038/java.v5i2.45 |
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2022 Conference Publication Genetic parameters of milk composition and fertility traits in cows milked once- or twice-daily in New ZealandJayawardana, J.M.D.R., Lopez-Villalobos, N., Hickson, R.E. and McNaughton, L.R. (2022). Genetic parameters of milk composition and fertility traits in cows milked once- or twice-daily in New Zealand. 12th World Congress on Genetics Applied to Livestock Production (WCGALP), Rotterdam, The Netherlands, 3-8 July 2022. The Netherlands: Wageningen Academic Publishers. doi: 10.3920/978-90-8686-940-4 |
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2022 Journal Article Fertility of dairy cows milked once daily or twice daily in New ZealandJayawardana, J.M.D.R., Lopez-Villalobos, N., McNaughton, L.R. and Hickson, R.E. (2022). Fertility of dairy cows milked once daily or twice daily in New Zealand. Journal of Dairy Science, 105 (11), 8911-8923. doi: 10.3168/jds.2021-20946 |
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2019 Journal Article Identifications of the major factors that influence milk production: the case of dairy farmers in Badulla district, Sri LankaKumari, K., W. S. N., Jayawardana, J., M. D. R. and Jayasinghe, J., M. P. (2019). Identifications of the major factors that influence milk production: the case of dairy farmers in Badulla district, Sri Lanka. International Journal of Livestock Production, 10 (7), 182-187. doi: 10.5897/ijlp2018.0566 |
